<?php
var_dump(__FILE__);
var_dump(__LINE__);
interface Usb
{
	public function sendData();

}

interface Eth
{
	public function online();
}


class Pc implements Usb,Eth
{
	
	public function sendData()
	{
		# code...
	}

	public function online()
	{
		echo "online";
	}
}
var_dump(__LINE__);

$obj = new Pc();

$obj->online();